Dirtier

adjective

1. Unclean; covered with or containing unpleasant substances such as dirt or grime.

   "Despite a walk in the rain, my shoes weren't too dirty."

2. That makes one unclean; corrupting, infecting.

   "Don't put that in your mouth, dear. It's dirty."

3. Morally unclean; obscene or indecent, especially sexually.

   "At the reception, Uncle Nick got drunk and told dirty jokes to the bridesmaids."

4. Dishonourable; violating accepted standards or rules.

   "He might have scored, but it was a dirty trick that won him the penalty."

5. Corrupt, illegal, or improper.

   "I won't accept your dirty money!"